99997214 has 8 divisors (see below), whose sum is σ = 150669120. Its totient is φ = 49774176.

The previous prime is 99997189. The next prime is 99997243. The reversal of 99997214 is 41279999.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111659 + ... + 112550.

It is an arithmetic number, because the mean of its divisors is an integer number (18833640).

Almost surely, 2^99997214 is an apocalyptic number.

99997214 is a deficient number, since it is larger than the sum of its proper divisors (50671906).

99997214 is a wasteful number, since it uses less digits than its factorization.

99997214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224434.

The product of its digits is 367416, while the sum is 50.

The square root of 99997214 is about 9999.8606990298. The cubic root of 99997214 is about 464.1545728324.

The spelling of 99997214 in words is "ninety-nine million, nine hundred ninety-seven thousand, two hundred fourteen".